For the Defense (1916)

Two playboys stumble drunkenly home, where the owner falls asleep and the other attacks the maid. The butler intervenes and a fight results in the death of the assailant. A French girl, escaping from a pimp who kidnapped her, witnesses the crime. The butler convinces his master he is the killer, and must flee. He joins the girl but is caught. She helps police expose the real killer by going undercover as another maid.